Table 2 Four-WMR parameter values.

From: A novel fixed-time prescribed performance sliding mode control for uncertain wheeled mobile robots

Parameter

Value

m

40 \(\mathrm{{(kg)}}\)

\(I_z\)

4 \(\mathrm{{(kg \cdot m^2)}}\)

\(I_t\)

0.1 \(\mathrm{{(kg \cdot m^2)}}\)

\(I_m\)

\(1\mathrm{{e}}^{-6}\) \(\mathrm{{(kg \cdot m^2)}}\)

R

0.16 \(\mathrm{{(m)}}\)

b

0.23 \(\mathrm{{(m)}}\)

d

0.2 \(\mathrm{{(m)}}\)

n

100

l

0.05 \(\mathrm{{(m)}}\)

\(M_d\)

10 \((\mathrm {N \cdot m})\)